Hat Waterproof Spray for Fabric & Leather

Nikwak bottle 4.2oz Spray-On for all Conner Hats

$17.00

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Size

4.2oz Spray-On

Size chart

HOW TO FIND YOUR CORRECT HAT SIZE

Even the most accurate measurement of your head (which we will teach you here) doesn’t always mean the hat you receive will be a perfect fit. There are many factors that can get in the way of receiving the perfect fit on the first try. One is the use of natural materials. Sometimes leather or certain straw hats for example can be slightly thicker or thinner with each batch of material, even when sewing a hat the technician can use a little bit less or more pressure and the size will be slightly affected. So hat sizing isn’t an exact science but an accurate measurement of your head is a good place to start. That along with working with a hat brand that cares about you getting the perfect hat for you. WE PROVIDE FREE SIZE INSERTS IN EVERY ORDER JUST INCASE YOU NEED THEM.

THINGS TO CONSIDER

Does the hat brand you are considering offer free sizing tape in case the hat is slightly too large? We add 2 free size inserts in every order, if you need more please contact us!

Does the hat brand offer hassle free, free returns in case the hat doesn’t fit for any reason? Add our Re:do insurance for $2.98 and get free unlimited exchanges and package insurance.

Does the hat brand have a crew of hat experts to help you in case there is a sizing problem? Call us or email we will help you!

WE DO WHAT IT TAKES TO FIND YOU THE PERFECT FIT!

LETS GET STARTED ON YOUR HAT SIZE

Use a soft measuring tape or a piece of string (not elasticized or stretchy).
Place the tape measure or string on your forehead and measure the circumference about 1/2 inch or 1.5cm above your ears, about where your hat would sit.

If you have another hat that shows the size, you can use that information.
Check the length of the tape measure or string to determine your size. (if using a string, hold it up against a ruler)
Use the size charts on the product pages to find your perfect fit. For example, if your measurement comes to 22 inches or 56cm, then you would choose a size Medium hat.
Make sure you measure your head multiple times and get 2 measurements that are the same to be 100% sure.

*If you fall in between sizes, choose the next biggest size. We will send two free size inserts with every hat ordered, just incase your hat needs a slight reduction. If you need more than 2 please reach out we can send you more.

See the size charts above. Your hat is either an individual size like Small or Medium or Large etc. or uses a stretch band that covers 2 sizes like Small/Medium and Large/X-Large. Each size can cover a slight range but that is OK, choose the size in your range.

WATCH OUR VIDEOS BELOW

Related guides from our journal

Hat size charts

S, M, L, XL, XXL, XXXL
Order size	Hat size	US (inches)	Metric (cm)
Small	6 3/4, 6 7/8	21 1/4, 21 5/8	54, 55
Medium	7, 7 1/8	22, 22 3/8	56, 57
Large	7 1/4, 7 3/8	22 3/4, 23 1/4	58, 59
XLarge	7 1/2, 7 5/8	23 1/2, 24	60, 61
XXLarge	7 3/4, 7 7/8	24 3/8, 24 3/4	62, 63
XXXLarge	8	25 1/8	64

Small/Medium, Large/X-Large
Order size	Hat size	US (inches)	Metric (cm)
Small/Medium	6 7/8, 7, 7 1/8	21 5/8, 22, 22 3/8	55, 56, 57
Large/XLarge	7 1/4, 7 3/8, 7 1/2	22 3/4, 23 1/4, 23 1/2	58, 59, 60

One Size, One Size Up
Order size	Hat size	US (inches)	Metric (cm)
One Size	6 3/4 – 7 1/4	21 1/4 – 22 3/4	54 – 58
One Size Up	7 3/8, 7 1/2	23 1/4, 23 1/2	59, 60

Some styles use a stretch band covering two sizes, and some ladies raffia styles come in One Size Up. We include two free size inserts in every order. Measure your head and find your size →

LIMITED LIFETIME GUARANTEE

50% DISCOUNT IF EVER LOST OR STOLEN

Essential Protection for Your Hat Investment

Nikwax Fabric & Leather Waterproofing Spray is the professional-grade solution every hat owner needs. This advanced, eco-friendly formula provides superior water repellency and protection, extending the life of your favorite hats while maintaining their breathability and appearance.

Key Benefits:

Superior Water Protection - Creates an invisible barrier that repels water, preventing damage and staining
Non-Toxic, Water-Based Formula - Safe for you and the environment with no harmful chemicals or aerosols
Maintains Breathability - Protects without compromising the natural airflow of your hat materials
Universal Compatibility - Works effectively on all fabric and leather hats, including all Conner Hat styles
Easy Application - Simple spray-on formula requires no special tools or expertise

Perfect For:

Protecting new hat investments • Restoring water resistance to older hats • Preparing hats for outdoor adventures • Maintaining premium leather and fabric materials • Anyone who wants to extend their hat's lifespan

Why Waterproofing Matters:

Water damage is one of the leading causes of hat deterioration. Rain, sweat, and moisture can cause staining, shape loss, and material breakdown. Regular treatment with Nikwax ensures your hats maintain their appearance, shape, and protective qualities for years to come.

Application Instructions:

Clean hat surface and allow to dry completely
Spray evenly from 6 inches away in a well-ventilated area
Allow to dry naturally for 24 hours before wearing
Reapply as needed based on usage and exposure

When you invest in quality hats, protect that investment with Nikwax. This professional-grade waterproofing spray ensures your favorite headwear stays looking great and performing at its best, adventure after adventure.

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Overall rating: 4.9375 / 5 from 16 reviews.

AI Generated Review Summary

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Review highlights

Reviews

"I sprayed it on, but it hasn’t rained or done anything for me to know. It sprayed on well. I’ve used their other products in the lotion, form for shoes and so forth and gloves and those worked very well."

— Brett (5/5)

I sprayed it on, but

— Brett D. (5/5)

Spray excessive amount

"This spray is ok. If you don’t get everything off, it stains."

— Randall L. (4/5)

Works great

"Very impressive water proofer,works great."

— ronald m. (5/5)

Spray

"Works very well. I emailed the company on how to use the product on my hat and they sent me an email on a video and said if I had additional questions to give them a call. They video explained everything."

— Robert H. (5/5)

Nikwax

"Easy to apply, worked great in the first downpour"

— Brian K. (5/5)

Great product

"I recently purchased a bottle of Nikwax Fabric and Leather Proof. The product arrived securely packed in a heavy mailer envelope and shipped within the time frame. The directions on the can were a little hard for me to read but I watched the 'how to' video on You Tube so no problems. I applied evenly to my wool felt hat and brushed with a soft towel as directed. There were a couple of dark 'wet' looking spots but the product was absorbed in a very few minutes. I let the hat sit for two days. The very next time I wore the hat I was caught in a rain shower and the Nikwax worked exactly as advertised. Great product. This 4 oz bottle should go a long ways. Thanks!"

— michael m. (5/5)

Comment on Service

"I haven't used the product yet but I wanted to use this as a opportunity to say thank you for your great customer service!!! Could not be better !!"

— Louis C. (5/5)

Worked perfectly

"I have a giant head so I really wanted to protect my sole 3 hats that fit. The spray went on easily, I could see patches where I was heavy-handed, but everything dried clear. The paper hats are still breezy but now I'm not worried about them dissolving if it suddenly rains."

— Karin C. (5/5)

Works

"Works as advertised thank you Connor hats five stars !"

— Bruce K. (5/5)

Nikwax Fabric & Leather Waterproofing Spray